<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>flex布局02</title>
		<style>
			div{
				font-size: 16px;
				display: flex;
				align-items: center;
				width: 35em;
				height: 7em;
				background-color: lightblue;
				margin: 2em;
			}
			div span{
				width: 5em;
				height: 5em;
				background-color: darkcyan;
				border-radius: 50%;
			}
			div:nth-child(1){
				justify-content: flex-start;
			}
			div:nth-child(2){
				justify-content: flex-end;
			}
			div:nth-child(3){
				justify-content: space-between;
			}
			div:nth-child(4){
				justify-content: space-around;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<span></span>
			<span></span>
			<span></span>
		</div>
		<div class="container">
			<span></span>
			<span></span>
			<span></span>
		</div>
		<div class="container">
			<span></span>
			<span></span>
			<span></span>
		</div>
		<div class="container">
			<span></span>
			<span></span>
			<span></span>
		</div>
	</body>
</html>
